Thermo Scientific VF-F20-A, Operating Manual

Page: 150 / 240

7
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Maintenance and Service
Page 150 Integral Fraction Collector FT (VF-F20-A) Operating Manual
CAUTION — Explosive Gas Mixtures from Alcoholic Cleaning Detergents
Alcohol-containing cleaning detergents may form flammable and
explosive gas mixtures when exposed to air.
•
Use such cleaning detergents only when required and only in
adequately ventilated rooms.
•
Avoid open flames or exposure to excessive heat during the cleaning
process.
•
Wipe the cleaned components thoroughly dry after cleaning. Do not
operate the device before it is completely dry.
NOTICE Observe the following:
•
Only use cleaning detergents that will not damage the surfaces of
the system.
•
Never use sharp tools or brushes for cleaning any surfaces.
•
Do not use sprays for cleaning.
•
Prevent cleaning detergent from entering the flow path.
•
Do not use excessively wetted cloth or wipes for cleaning. Prevent
any liquids from entering the functional components of the device.
Liquids can cause a short circuit when getting in contact with the
electronic components.
Preparations
Open the left front door to move the needle unit to the parking position.
1. Remove all sample containers and sample racks from the fraction
collector compartment.
2. Press the Service button on the keypad to move the needle unit to
the service position.
3. Turn off the power to the device and disconnect the power cord
from the power source.
4. Secure the needle drive with needle arm shipping lock by fixing
three screws. See Predictive Performance (

page 151)